.username-group input, .password-group input, .captcha-group input {
    width: 100%;
    padding: 8px;
    /* margin-top: 20px; */
    border: 1px solid rgb(220, 223, 230);
    border-radius: 4px;
    font-size: 14px;
    height: 40px;
    color: #333;
    box-sizing: border-box;
    text-align: left;
    padding-left: 36px;
}

.username-group:hover input, .password-group:hover input, .captcha-group:hover input {
    border-color:  rgb(192, 196, 204);
}

.username-group input:focus, .password-group input:focus, .captcha-group input:focus {
    outline: none;
    border-color: rgb(15, 89, 164) ;
}

.username-group, .password-group, .captcha-group  {
    margin-top: 20px;
    position: relative;
    height: 40px;
    width: 100%;
    display: inline-block;
}

.username-group img, .password-icon, .captcha-group img {
    position: absolute;
    top: 33%;
    height: 14px;
    width: auto;
    margin-left: 15px;
    opacity: 0.5;
}

.invisible {
    position: absolute;
    height: 14px;
    top: 33%;
    width: auto;
    opacity: 0.5;
    left: 94%;
    cursor: pointer;
}

.password-group.invalid input, .username-group.invalid input {
    border-color: rgb(245, 108, 108);
}

.error-message {
    position: absolute;
    font-size: 14px;
    color:  rgb(245, 108, 108);
    font-weight: 500;
    display: none;
}

.password-group.invalid .error-message, .username-group.invalid .error-message {
    display: block;
}


.captcha-group input {
    width: 65%;
}

.captcha-group .captcha-container {
    /* margin-top: 20px; */
    box-sizing: content-box;
    display: inline-block;
    position: absolute;
    right: 0;
    height: 100%;
    width: 30%;
    border: 1px solid rgb(220, 223, 230);
    border-radius: 4px;
}

.captcha-group .captcha-container .captcha-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;   
    margin-left: 0;
    text-align: center;
}

.abandon {
    filter: brightness(0%) ;
    /* opacity: 1; */
}

.expired-text {
    display: none;
    color: #fff;
    position: absolute;
    top: 30%;
    left: 20%;
    font-size: 14px;
    /* font-weight: bold; */
}


.login-form button {
    background-color: rgb(15, 89, 164);
    color: #c5d7e9;
    border: none;
    padding: 10px;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    margin-top: 20px;
}

button:hover {
    background-color: rgb(87, 138, 191);
}

.tip {
    margin-top: 35px;
    font-size: 12px;
    font-weight: 300;
    opacity: 0.5;
}